Machine Design In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear. None of these Both A and B Left hand Right hand None of these Both A and B Left hand Right hand ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a Long bearing Short bearing Square bearing Medium bearing Long bearing Short bearing Square bearing Medium bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that None of these Shaft A is better than shaft B Shaft B is better than shaft A Both the shafts are equally good None of these Shaft A is better than shaft B Shaft B is better than shaft A Both the shafts are equally good ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the stress induced in the wire is Compressive stress Bending stress Tensile stress Shear stress Compressive stress Bending stress Tensile stress Shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 8D²n Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 4D3n Gd⁴/ 8D²n Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 4D3n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up with initial tension greater than the external load so that The resultant load on the bolt would not be affected by the external cyclic load Bolts are weakest elements Joint may not open up Bolts will not loosen during service The resultant load on the bolt would not be affected by the external cyclic load Bolts are weakest elements Joint may not open up Bolts will not loosen during service ANSWER DOWNLOAD EXAMIANS APP
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